Ontologia

District · YEM

Milhan

Yemen

BWhArid, desert, hot(99 %)

Species observed

14

Observations

354

Area

337,7km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

14 distinct species · 354 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

354 obs · 4 cellules
Obs. / cellule
≥ 343
343–342
5–342
5–4
< 5

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,7°C

Annual rain

702mm

Warmest m°

33,8°C

Coldest m°

17,5°C

Elevation: 800 m on average (min 163 m, max 2 021 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
702mm
Warmest month
33,8°C
Coldest month
17,5°C
Mean alt.
800m
Min
163m
Max
2 021m
Std. dev.
464m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,9

Org. C

13,7g/kg

Clay

23,1%

Sand

41,4%

Silt

35,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
19,1g/kg
Clay
21,8%
Sand
42,3%
Silt
35,9%
5–15 cm
pH H₂O
8,0
Org. C
11,7g/kg
Clay
23,6%
Sand
41,1%
Silt
35,3%
15–30 cm
pH H₂O
8,0
Org. C
10,2g/kg
Clay
23,8%
Sand
40,7%
Silt
35,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest9.9%
Crops17.3%
Built-up0.0%
Bare soil3.0%
Other (grassland, water…)69.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

2 941km²

Discharge in basins

0,1m³/s

Mean precip.

91mm/an

Mean T°

28,0°C

Moisture idx

-0,95

Mean runoff

22mm/an

Mean elev. (basins)

307m

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

3hab/km²

Night light

0,0nW

Built-up

0,1%

Pesticides

1,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas1

IUCN II · 1

Malhan PA

IUCN II

Protected Area · 2010

321 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN